What are the main issues present in the Corinthian church?

The Corinthian church encountered multiple issues, notably divisions among its members over allegiances to different leaders, rampant immorality, and contentious behaviors that contradicted the gospel message. Paul highlights these problems throughout his letters, particularly emphasizing the need for unity in Christ and the importance of moral integrity. These issues are reminders of the church's mixed membership, consisting of both the regenerate and unregenerate. Despite its flaws, Paul reminds them of their identity in Christ, calling them to live in a manner that reflects their sanctified status. This calls attention to the reality that no church is exempt from problems, highlighting a need for grace, repentance, and divine support.